package com.jt.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@CrossOrigin
//@PropertySource("classpath:/xxxx.properties")
public class PortController {

    //spring容器启动时,自动的加载application.yml文件
    //需求:如何动态获取端口!!!
    @Value("${server.port}")
    private Integer port;

    @GetMapping("/getPort")
    public String getPort(){

        return "当前服务器端口号:"+port;
    }
}
